409 Conflict - Session Already Processed
Indicates the checkout has already been processed. Check the transaction status by calling our get transaction
endpoint.
{
"type": "https://developer.sumup.com/docs/problem/session-already-processed/",
"title": "Conflict",
"status": 409,
"detail": "The checkout session ae98b9cc-2287-4621-afa1-d36ae2ea219d is already processed",
"instance": "1bfe72b34387"
}